S.36 Low
Your boiler is currently waiting for a signal from your thermostat and isn't receiving a request to turn the heating on.
Technical description: Not heating demand form low voltage
Typical repair cost: £0-120 (including labour)
DIY fix possible
Check that your room thermostat is turned up higher than the current room temperature.Ensure your heating programmer or central heating timer is set to 'On' or 'Auto'.Replace the batteries in your wireless wall thermostat if the screen is blank or showing a low battery icon.
Protect yourself from future repair bills
A boiler cover plan would cover faults like S.36 — no call-out fees, no surprises.
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Parts commonly replaced
- Thermostat batteries
- External room thermostat
- Wiring center
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